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Riga Poliform - Visual Grade General Veneer Plywood

Verified by manufacturer 1 month ago

12 mm

Riga Wood Variant:
Third party certifications:
  • PEFC

    PEFC

    Certificate type

A birch throughout plywood overlaid with a wood-plastic composite (WPC) material.

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Application

Heavy building

  • Formwork systems;
  • Precasting.

Description

Riga Poliform is a speciality formwork panel with superb mechanical properties and is designed to last longer with as many as 300 uses depending on specific end-use and site practice.


Features and benefits:

  • Tough and impact resistant surface for smooth concrete finish.
  • No rippling.
  • As many as 300 reuses when correctly installed.
  • Recycled wood fibres utilised in the wood-plastic overlay.
  • Water resistant surface and weather resistant gluing.
  • Surface is resistant to commonly used concrete release agents, diluted acids and alkalis, easy to clean with water or steam for repeated uses.
  • Special solutions are available for applications requiring a higher surface elasticity such as nailing.
  • Easy to machine and fix on site.
  • Variety of standard sizes, cut-to-size and jointed panels available.
  • Sustainable product with long life-span.


Further processing

Riga Poliform can be further processed according to customer's specification with cut-to-size, CNC, drilling, milling, jointing, edge machining, and assembling in sets.


Surface properties

The wood-plastic composite coating offers a highly durable, hard and dense surface, increasing panel resistance against mechanical damage and wearing. It resists concrete release agents, cement alkalis and other corrosive chemicals. The panels can be used within a temperature range from −40 °C up to +80 °C. Cold temperatures can reduce WPC flexibility making it less suitable for nailing. After use, panels release well and maintain their performance for a long time. Riga Wood experts will advise the most appropriate overlay depending on the end use.

General information

Color

Finish

Coated

Material

Birch plywood

Shape

Rectangle

Square

Length

1220 mm

1250 mm

1500 mm

1525 mm

Bespoke

Width

2440 mm

2500 mm

2745 mm

2750 mm

3000 mm

Show more

Height

9 mm

12 mm

15 mm

18 mm

21 mm

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Uniclass

Pr_25_71_97_91 Visual grade general veneer plywoodsPrimary

CAWS

G20/310 Structural plywood

K11/61 Plywood

K11/815 Plywood

K11/56 Plywood underlay

K11/715 Plywood underlay

M51/371 Plywood underlay

M51/371 Plywood underlay

Specification data - Visual grade general veneer plywoods

Standards

BS EN 13986.

Third-party certification

EPD, FSC, PEFC.

Material

-

Type

Birch plywood.

Face veneer

European birch.

Facing

WPC SP1 coating.

Guidance for specification option:

High surface hardness for durability.

WPC SP2 coating.

Guidance for specification option:

Higher surface elasticity for nailing applications.

Manufacturer guidance

The composite material is made of wood fibres and polypropylene, overlay thickness 0.8 mm or 1.6 mm. The coating covers both faces, upon request it is possible to coat the reverse side with film.

Balancing veneer

European birch.

Bonding quality

To BS EN 314-2, Class 3.

To BS EN 314-2, Class 1 and BS 1203, H1.

Manufacturer guidance

Riga Wood birch plywood is glued with weather and boil-proof phenol formaldehyde or lignin phenol formaldehyde resin adhesive according to EN 314 Class 3 Exterior.

Bonding with moisture resistant low emission melamine-urea formaldehyde resin according to EN 314 Class 1 and BS 1203 H1 possible.

VOC emissions

To EN 13986, Class E1 and complies with EPA TSCA Title VI and CARB Phase 2.

Sheet size

1220 × 2440 mm.

1220 × 2500 mm.

1220 × 2745 mm.

1220 × 2750 mm.

1220 × 3000 mm.

1220 × 3050 mm.

1220 × 3340 mm.

1220 × 3660 mm.

1250 × 2440 mm.

1250 × 2500 mm.

1250 × 2745 mm.

1250 × 2750 mm.

1250 × 3000 mm.

1250 × 3050 mm.

1250 × 3340 mm.

1250 × 3660 mm.

1500 × 2440 mm.

1500 × 2500 mm.

1500 × 2745 mm.

1500 × 2750 mm.

1500 × 3000 mm.

1500 × 3050 mm.

1500 × 3340 mm.

1500 × 3660 mm.

1525 × 2440 mm.

1525 × 2500 mm.

1525 × 2745 mm.

1525 × 2750 mm.

1525 × 3000 mm.

1525 × 3050 mm.

1525 × 3340 mm.

1525 × 3660 mm.

Nominal thickness

12 mm.

Number of plies

7 + 2×WPC.

Edges

Square.

Manufacturer guidance

The edges are sealed with colour matched moisture resistant paint. Other colours are available upon request.

Wear resistance

Surface hardness (Shore D Durometer) for WPC SP >72 HD; WPC SP2 >62 HD.
Taber test to EN 438-2, up to 17 000 revolutions.

Colour/ Finish

Matt Grey.

Blue

Green.

Yellow.

Red.

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Sustainability data

Contains Red List materials

Yes

Guidance for specification option:

Formaldehyde.

Country of material origin

Europe

Guidance for specification option:

Grown, harvested and processed in the European Union.

Country of product manufacture

Europe

Guidance for specification option:

Grown, harvested and processed in the European Union.

Recyclability

100%

Guidance for specification option:

Plywood can be reused endlessly depending on previous use conditions but it cannot be recycled as material for producing of new plywood.

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

10 %

Guidance for specification option:

Recycled wood fibres utilised in the wood-plastic overlay. The exact percentage is dependent on chosen thickness.

Third party certifications

PEFC

PEFC

PEFC certificate

Literature

Riga Poliform - Datasheet - Riga Wood

Riga Poliform - Datasheet - Riga Wood

Plywood Handbook 2022 - Riga Wood

Plywood Handbook 2022 - Riga Wood

Plywood Processing Options - Riga Wood

Plywood Processing Options - Riga Wood

Birch Plywood for Concrete Formwork - Riga Wood

Birch Plywood for Concrete Formwork - Riga Wood

Riga Poliform - Brochure - Riga Wood

Riga Poliform - Brochure - Riga Wood

Case studies

Riga Wood birch plywood – a part of sustainable and award winning buildings

Riga Wood birch plywood – a part of sustainable and award winning buildings

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